Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 2 - Multiplying and Dividing Fractions - 2.8 Multiplying and Dividing Mixed Numbers - 2.8 Exercises - Page 175: 15


Estimate: $18$ Exact: $12$

Work Step by Step

Estimate: round the three numbers to 3, 2, and 3 and multiply. Exact: change the numbers into improper fractions: $\frac{3}{1}, \frac{3}{2}, \frac{8}{3}$ Multiply: $\frac{3}{1}\times\frac{3}{2} = \frac{9}{2}$ $\frac{9}{2}\times\frac{8}{3} = \frac{12}{1}$ Change into a mixed (or whole) number: $12$
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